Which of the following is/are the characteristics of oxide film that exhibits better resistance to erosion-corrosion?(a) Hard(b) Dense(c) Adherent(d) Hard, dense and adherentI have been asked this question in a national level competition.I need to ask this question from Eight Forms in section Eight Forms of Corrosion of Corrosion Engineering

Which of the following is/are the characteristics of oxide film that e

1.	Which of the following is/are the characteristics of oxide film that exhibits better resistance to erosion-corrosion?(a) Hard(b) Dense(c) Adherent(d) Hard, dense and adherentI have been asked this question in a national level competition.I need to ask this question from Eight Forms in section Eight Forms of Corrosion of Corrosion Engineering
Answer» The correct answer is (d) HARD, dense and adherent The EXPLANATION is: Erosion corrosion is the TYPE of corrosion that results in mechanical DAMAGE of the metal due to the high velocities of corrosive solutions. And a hard, dense, and adherent oxide film can exhibit better resistance to erosion-corrosion.

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